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keyframe.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef GRIM_KEYFRAME_H
00024 #define GRIM_KEYFRAME_H
00025 
00026 #include "math/vector3d.h"
00027 
00028 #include "engines/grim/object.h"
00029 
00030 namespace Common {
00031 class SeekableReadStream;
00032 }
00033 
00034 namespace Grim {
00035 
00036 class ModelNode;
00037 class TextSplitter;
00038 
00039 class KeyframeAnim : public Object {
00040 public:
00041     KeyframeAnim(const Common::String &filename, Common::SeekableReadStream *data);
00042     ~KeyframeAnim();
00043 
00044     void loadBinary(Common::SeekableReadStream *data);
00045     void loadText(TextSplitter &ts);
00046     bool isNodeAnimated(ModelNode *nodes, int num, float time, bool tagged) const;
00047     void animate(ModelNode *nodes, int num, float time, float fade, bool tagged) const;
00048     int getMarker(float startTime, float stopTime) const;
00049 
00050     float getLength() const { return _numFrames / _fps; }
00051     const Common::String &getFilename() const { return _fname; }
00052 
00053 private:
00054     Common::String _fname;
00055     unsigned int _flags;
00062     unsigned int _type;
00063     int _numFrames, _numJoints;
00064     float _fps;
00065     int _numMarkers;
00066 
00067     struct Marker {
00068         float frame;
00069         int val;
00070     };
00071     Marker *_markers;
00072 
00073     struct KeyframeEntry {
00074         void loadBinary(Common::SeekableReadStream *data);
00075 
00076         float _frame;
00077         int _flags;
00078         Math::Vector3d _pos, _dpos;
00079         Math::Angle _pitch, _yaw, _roll, _dpitch, _dyaw, _droll;
00080     };
00081 
00082     struct KeyframeNode {
00083         void loadBinary(Common::SeekableReadStream *data, char *meshName);
00084         void loadText(TextSplitter &ts);
00085         ~KeyframeNode();
00086 
00087         void animate(ModelNode &node, float frame, float fade, bool useDelta) const;
00088 
00089         char _meshName[32];
00090         int _numEntries;
00091         KeyframeEntry *_entries;
00092     };
00093 
00094     KeyframeNode **_nodes;
00095 };
00096 
00097 } // end of namespace Grim
00098 
00099 #endif


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